<?php

class RapportEvaluationController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('getOriginalPDF','uploadFinalPDF'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('index','view','create','update','getFinalPDFUrl','getOriginalPDFUrl'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('teacher2'), //TODO
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new RapportEvaluation;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['RapportEvaluation']))
		{
			$model->attributes=$_POST['RapportEvaluation'];
			$model->file=CUploadedFile::getInstance($model,'file');
			$file_name = 'files/pdf_original/'. CUploadedFile::getInstance($model,'file')->getName();
			if($model->save())
			{
				if(! $model->file->saveAs($file_name))
					throw new CHttpException(401,'Permission Deny. File upload failed.');
				$this->redirect(array('view','id'=>$model->id));
			}
		}
		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['RapportEvaluation']))
		{
			$model->attributes=$_POST['RapportEvaluation'];
			if($model->save())
			{
				$this->redirect(array('view','id'=>$model->id));
			}
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('RapportEvaluation');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new RapportEvaluation('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['RapportEvaluation']))
			$model->attributes=$_GET['RapportEvaluation'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=RapportEvaluation::model()->findByPk((int)$id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='rapport-evaluation-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	/**
	 * Get original PDF file by security_key for android.
	 */
	public function actionGetOriginalPDF()
	{
		if(isset($_GET['security_key']) && $_GET['security_key']!='')
		{
			$criteria=new CDbCriteria();
			$criteria->addSearchCondition('security_key',$_GET['security_key'],false);
			if(RapportEvaluation::model()->exists($criteria))
			{
				$file_name = 'files/pdf_original/' . RapportEvaluation::model()->find($criteria)->pdf_original;
				$myfile = Yii::app()->file->set($file_name, true);
				if (CFile::set($file_name)->exists)
				{
					echo $myfile->contents;
				}
				else
					throw new CHttpException(400,'Invalid request. No file exist in server.');
			}
			else
				throw new CHttpException(400,'Invalid request. No report record found in DB with the given security key.');
		}
		else
			throw new CHttpException(400,'Invalid request. No security key input.');
		Yii::app()->end();
	}
	
	/**
	 * Get original PDF file URL by security_key for web site.
	 */
	public function actionGetOriginalPDFUrl()
	{
		if(isset($_GET['security_key']) && $_GET['security_key']!='')
		{
			$criteria=new CDbCriteria();
			$criteria->addSearchCondition('security_key',$_GET['security_key'],false);
			if(RapportEvaluation::model()->exists($criteria))
			{
				$file_name = 'files/pdf_original/' . RapportEvaluation::model()->find($criteria)->pdf_original;
				$myfile = Yii::app()->file->set($file_name, true);
				if (CFile::set($file_name)->exists)
				{
					echo $myfile->download();
				}
				else
					throw new CHttpException(400,'Invalid request. No file exist in server.');
			}
			else
				throw new CHttpException(400,'Invalid request. No report record found in DB with the given security key.');
		}
		else
			throw new CHttpException(400,'Invalid request. No security key input.');
		Yii::app()->end();
	}
	
	/**
	 * Get final PDF file URL by security_key for web site.
	 */
	public function actionGetFinalPDFUrl()
	{
		if(isset($_GET['security_key']) && $_GET['security_key']!='')
		{
			$criteria=new CDbCriteria();
			$criteria->addSearchCondition('security_key',$_GET['security_key'],false);
			if(RapportEvaluation::model()->exists($criteria))
			{
				$file_name = 'files/pdf_final/' . RapportEvaluation::model()->find($criteria)->pdf_final;
				$myfile = Yii::app()->file->set($file_name, true);
				if (CFile::set($file_name)->exists)
				{
					echo $myfile->download();
				}
				else
					throw new CHttpException(400,'Invalid request. No file exist in server.');
			}
			else
				throw new CHttpException(400,'Invalid request. No report record found in DB with the given security key.');
		}
		else
			throw new CHttpException(400,'Invalid request. No security key input.');
		Yii::app()->end();
	}
	
	/**
	 * Upload PDF file from Android
	 */
	public function actionUploadFinalPDF()
	{
		$model=new RapportEvaluation();

		if(isset($_POST['RapportEvaluation'])&&isset($_POST['security_key']))
		{
			$file = CUploadedFile::getInstance($model,'file');

			$file_path = 'files/pdf_final/' . $file->getName();
			if($file->saveAs($file_path))
			{
				$model=RapportEvaluation::model()->find('security_key=:security_key', array(':security_key'=>$_POST['security_key']));
				$model->pdf_final=$file->getName();
				$model->save();
			}
			else
				throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
		}
		else
		{
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
			// For web side test
			// $this->render('upload', array('model'=>$model));
		}
		Yii::app()->end();
	}

}
